From 8a70564fac22f04382538aca8e8bca32f5e19cfe Mon Sep 17 00:00:00 2001
From: raveit65 <mate@raveit.de>
Date: Mon, 8 Jul 2019 14:34:32 +0200
Subject: Revert "Make command applet run commands asynchronously"

This reverts commit 18cf1e9710b8a308b8f8f9c6c0019b3a9c2b3cda.
---
 command/command.c | 132 ++++--------------------------------------------------
 1 file changed, 8 insertions(+), 124 deletions(-)

diff --git a/command/command.c b/command/command.c
index a0523b17..67bc5de6 100644
--- a/command/command.c
+++ b/command/command.c
@@ -54,8 +54,6 @@ typedef struct
     MatePanelApplet   *applet;
 
     GSettings         *settings;
-    GPid               child_pid;
-    gchar             *buffer;
 
     GtkLabel          *label;
     GtkImage          *image;
@@ -97,18 +95,6 @@ command_applet_destroy (MatePanelApplet *applet_widget, CommandApplet *command_a
         command_applet->command = NULL;
     }
 
-    if (command_applet->child_pid != (GPid) 0)
-    {
-        g_spawn_close_pid (command_applet->child_pid);
-        command_applet->child_pid = 0;
-    }
-
-    if (command_applet->buffer != NULL)
-    {
-        g_free (command_applet->buffer);
-        command_applet->buffer = NULL;
-    }
-
     g_object_unref (command_applet->settings);
 }
 
@@ -219,8 +205,7 @@ settings_width_changed (GSettings *settings, gchar *key, CommandApplet *command_
 
     width = g_settings_get_int (command_applet->settings, WIDTH_KEY);
 
-    if (command_applet->width != width)
-        command_applet->width = width;
+    command_applet->width = width;
 
     /* execute command to start new timer */
     command_execute (command_applet);
@@ -302,126 +287,27 @@ process_command_output (CommandApplet *command_applet, gchar *output)
     }
 }
 
-static gboolean
-stdout_io_func (GIOChannel *ioc, GIOCondition cond, gpointer data)
-{
-    CommandApplet *command_applet;
-
-    command_applet = data;
-    if (cond & (G_IO_IN | G_IO_PRI))
-    {
-        if (strlen (command_applet->buffer) == 0)
-        {
-            GError *error = NULL;
-            GIOStatus  ret;
-            gsize      len = 0;
-
-            ret = g_io_channel_read_chars (ioc, command_applet->buffer, command_applet->width, &len, &error);
-            if (len <= 0 || ret != G_IO_STATUS_NORMAL)
-            {
-                g_clear_error (&error);
-                return FALSE;
-            }
-            process_command_output (command_applet, command_applet->buffer);
-        }
-        return FALSE;
-    }
-
-    if (cond & (G_IO_ERR | G_IO_HUP | G_IO_NVAL))
-        return FALSE;
-
-    return TRUE;
-}
-
-static void
-on_child_exit (GPid child_pid, gint status, gpointer data)
-{
-    CommandApplet *command_applet;
-
-    command_applet = data;
-    g_spawn_close_pid (child_pid);
-    command_applet->child_pid = 0;
-}
-
-static GIOChannel *
-set_up_io_channel (gint fd, GIOCondition cond, GIOFunc func, gpointer data)
-{
-    GIOChannel *ioc;
-
-    ioc = g_io_channel_unix_new (fd);
-
-    g_io_channel_set_encoding (ioc, NULL, NULL);
-    g_io_channel_set_buffered (ioc, FALSE);
-
-    g_io_channel_set_close_on_unref (ioc, TRUE);
-
-    g_io_add_watch (ioc, cond, func, data);
-    g_io_channel_unref (ioc);
-
-    return ioc;
-}
-
 static gboolean
 command_execute (CommandApplet *command_applet)
 {
     GError *error = NULL;
-    gint argc;
-    gchar **argv;
-    gint stdout_fd;
+    gchar *output = NULL;
+    gint ret = 0;
 
-    /* command is empty, wait for next timer execution */
-    if (strlen (command_applet->command) == 0)
+    if (g_spawn_command_line_sync (command_applet->command, &output, NULL, &ret, &error))
     {
-        return TRUE;
+        process_command_output (command_applet, output);
     }
-
-    if (!g_shell_parse_argv (command_applet->command, &argc, &argv, &error))
-    {
+    else
         gtk_label_set_text (command_applet->label, ERROR_OUTPUT);
-        g_clear_error (&error);
-        return FALSE;
-    }
-
-    /* command running, wait for next timer execution */
-    if (command_applet->child_pid != (GPid) 0)
-    {
-        g_strfreev (argv);
-        return TRUE;
-    }
-
-    if (!g_spawn_async_with_pipes (NULL,
-                                   argv,
-                                   NULL,
-                                   (GSpawnFlags) G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
-                                   NULL,
-                                   NULL,
-                                   &command_applet->child_pid,
-                                   NULL,
-                                   &stdout_fd,
-                                   NULL,
-                                   &error))
-    {
-        g_clear_error (&error);
-        g_strfreev (argv);
-        return TRUE;
-    }
-
-    if (command_applet->buffer != NULL) {
-        g_free(command_applet->buffer);
-    }
-    command_applet->buffer = g_new0(gchar, command_applet->width+1);
-
-    set_up_io_channel (stdout_fd, G_IO_IN|G_IO_PRI|G_IO_ERR|G_IO_HUP|G_IO_NVAL,
-                       stdout_io_func, command_applet);
 
-    if (command_applet->child_pid != (GPid) 0)
-        g_child_watch_add (command_applet->child_pid, on_child_exit, command_applet);
+    g_free (output);
 
     /* start timer for next execution */
     command_applet->timeout_id = g_timeout_add_seconds (command_applet->interval,
                                                         (GSourceFunc) command_execute,
                                                         command_applet);
-    g_strfreev (argv);
+
     return FALSE;
 }
 
@@ -448,8 +334,6 @@ command_applet_fill (MatePanelApplet* applet)
     command_applet->image = GTK_IMAGE (gtk_image_new_from_icon_name (APPLET_ICON, 24));
     command_applet->label = GTK_LABEL (gtk_label_new (ERROR_OUTPUT));
     command_applet->timeout_id = 0;
-    command_applet->child_pid = 0;
-    command_applet->buffer = NULL;
 
     /* we add the Gtk label into the applet */
     gtk_box_pack_start (command_applet->box,
-- 
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